# 04/12/2026 #### Active Directory & Windows Server 2019 + Hyper-V * Wiped and reimaged corporate machines pulled from a working environment * Installed windows server 2019 from ISO in a Hyper-V VM * Promoted a server to Domain Controller, creating a AD forest * Built a OU(Organizational Unit) structure mirroring real department heirarchy * Created and managed domain user accounts across multiple OUs * Joined a Windows 10 pro workstation to a domain * Configured static Ip addressing on a domain controller * Set DNS to loopback, Class A private IP 127.0.0.1 for self referencing DNS resolution * Created and lnked a GPO to a OU * Verified GPO application using gpresult /r and gpresult /h, forced the changes as well incase of missed host sessions. Forced changes on both client and admin #### Hardware & OS * Configured through intense navigation-enterprise BIOS settings on Lenovo BIOS (Thinkcentre M700's) * Enabled Intel VT-x and VT-d for virtualization support * Configured boot orer, disabling fast boot, turning on Wake on LAN (state readiness) * Built a bootable Windows 10 USB installer using microsoft media creation tool * Performed clean/wipe + OS Installation bypassing MS account requirements, avoiding adware, bloatware, and unnecessary diagnostic settings * Troubleshot failed recovery partition on a corporate-image machine #### Virtualization * Enabled hyper-V on windows 10 Pro Host * Created and configured gen 2 VM's * Buiilt a Virtual switch for inter-VM communication (server and clients) * Managed VM settings including secure boot, RAM, and disk allocation * Troubleshot VM network connectivity issues * Adjusted policy in regards to virtualization *** *** *** --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://stefs-documentation.gitbook.io/stefs-documentation-docs/career-skills/on-the-job-skills-log/04-12-2026.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.